A punch card key to the families of dicotyledons of the western hemisphere south of the United States /
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| Format: | Book |
| Language: | English |
| Published: |
Chicago, Illinois :
Field Museum of Natural History,
1972.
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| Item Description: | Las tarjetas se emitieron por separado, en una edición limitada, en 1972 |
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| Physical Description: | 63 tarjetas, 16 paginas ; 19 x 10 cm. |